Home / 1,369,481.37-2,053,820.69-515,937.18

Finding the Fourth Proportional to 1,369,481.37, 2,053,820.69 and 515,937.18

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Solution

The fourth proportional to 1,369,481.37, 2,053,820.69 and 515,937.18 is: 773,754.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,481.37 : 2,053,820.69 = 515,937.18 : x
  2. Step 2: Convert to fraction form
    1,369,481.37/2,053,820.69 = 515,937.18/x
  3. Step 3: Cross multiply
    1,369,481.37x = 2,053,820.69 × 515,937.18
  4. Step 4: Simplify right side
    1,369,481.37x = 1,059,642,455,024.25
  5. Step 5: Solve for x
    x = 1,059,642,455,024.25/1,369,481.37
  6. Step 6: Final answer
    x = 773,754.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.